Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt; Thuộc về nước lợ gần đáy. Tropical; 20°C - 27°C (Ref. 12468)
Africa: Senegal (Ref. 57413, 81660) to the Kunene River in Namibia (Ref. 81660). In Lower Guinea found in lower courses of most rivers, though not apparently collected from southern Gabon (Ref. 81660).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 12.3 cm TL con đực/không giới tính; (Ref. 57413)
Các tia vây lưng cứng (tổng cộng) : 6 - 7; Các vây lưng mềm (tổng cộng) : 7 - 8; Tia cứng vây hậu môn: 1; Tia mềm vây hậu môn: 7 - 8. Diagnosis: 40-54 (usually 45-49) scales in longitudinal series on flanks (Ref. 57413, 81660), and 2-4 scales on caudal fin base (Ref. 57413). 11-18 (usually 13-514) scales in rearward transverse series (Ref. 57413, 81660). Body pigmentation usually pale/rusty brown, with rows of dark spots in longitudinal series dorsal to lateral midline (Ref. 57413). Prominent dark spot on dorsal part of pectoral fin base (Ref. 57413, 81660), if specimen is very dark spot may not be highly contrasted but is still distinct (Ref. 81660). Sensory papillae on upper rear field of opercle form a single arching row (Ref. 81660).
Occurs in brackish environments and freshwaters of coastal rivers (Ref. 57413). Maximum reported standard length 97 mm (Ref. 81660).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Harrison, I.J., P.J. Miller and F. Pezold, 2003. Eleotridae. p. 670-690 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57413)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các nghề cá: không ích lợi (thú vị)
Các công cụ
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.00592 - 0.05859), b=3.06 (2.80 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.6 ±0.3 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Chiêù cao, thời gian nhân đôi của chủng quần tối thiểu là dưới 15 tháng (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
